Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
345 FOUS54 KMRX 041226 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 825 AM EDT Fri Apr 4 2025 TNZ017-042000- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 825 AM EDT Fri Apr 4 2025 Date Fri 04/04/25 Sat 04/05/25 Sun 04/06/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 62 85 62 72 Temp 74 82 83 77 69 66 64 63 75 82 84 79 70 67 63 62 69 71 69 65 Dewpt 63 61 61 61 62 60 61 61 61 58 56 57 57 57 57 58 60 60 59 57 RH 69 49 47 58 78 81 90 93 62 44 38 47 63 70 81 87 73 68 70 75 Wind Dir SW SW SW SW SE S S S SW SW SW S S S SW SW SW SW SW SW Wind Spd 6 11 9 3 3 3 3 3 9 13 12 10 9 8 6 6 11 13 11 8 Wind Gust 19 Clouds SC SC B1 B1 SC B1 B1 B1 SC SC SC SC SC B1 B2 B2 B2 B2 B2 B2 PoP 12hr 20 10 10 30 100 QPF 12hr 0.03 0 0 0.02 0.64 Rain shwrs S C C L L D D L Tstms S S S Date Mon 04/07/25 Tue 04/08/25 Wed 04/09/25 Thu 04/10/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 47 57 33 51 29 61 38 64 Temp 56 47 54 53 40 33 48 46 32 31 56 55 42 40 61 59 Dewpt 53 45 42 35 32 26 24 21 23 25 29 33 35 37 40 40 PWind Dir W NW NW NW NE S S SW Wind Char LT LT LT GN LT LT LT LT Avg Clouds B2 OV B2 B1 SC SC SC FW CL FW FW FW SC SC SC SC PoP 12hr 70 20 10 5 0 5 10 20 Rain shwrs L S S S S $$ TNZ071-042000- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 825 AM EDT Fri Apr 4 2025 Date Fri 04/04/25 Sat 04/05/25 Sun 04/06/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 67 86 64 73 Temp 77 84 86 80 73 71 69 67 77 83 86 81 74 72 67 65 69 71 71 67 Dewpt 65 64 63 62 62 62 62 61 59 61 59 57 58 59 60 60 61 62 61 59 RH 67 51 46 54 68 73 78 81 54 47 40 44 57 64 78 84 76 73 71 75 Wind Dir SW SW SW SW S S SW SW SW SW SW S S S SW SW SW SW SW SW Wind Spd 11 13 12 6 6 8 8 8 16 17 17 11 12 12 13 13 18 14 13 9 Wind Gust 26 21 23 24 25 26 28 25 Clouds SC SC B1 SC SC SC B1 B1 SC SC SC SC SC B2 B2 OV OV OV B2 B2 PoP 12hr 10 5 5 40 100 QPF 12hr 0 0 0 0.19 1.15 Rain shwrs C C D D D D C Tstms S S S Date Mon 04/07/25 Tue 04/08/25 Wed 04/09/25 Thu 04/10/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 47 59 36 55 33 65 42 67 Temp 58 48 56 55 44 36 52 50 38 34 59 59 49 43 64 62 Dewpt 53 45 43 36 34 29 28 26 26 28 35 38 39 39 42 41 PWind Dir W NW N N NE NW S SW Wind Char LT LT LT GN LT LT LT LT Avg Clouds B2 B2 B2 B1 FW SC FW FW FW FW FW SC SC SC SC SC PoP 12hr 50 10 5 5 0 0 10 20 Rain shwrs C S S $$ TNZ036-042000- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 825 AM EDT Fri Apr 4 2025 Date Fri 04/04/25 Sat 04/05/25 Sun 04/06/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 67 85 62 71 Temp 75 82 84 80 72 71 68 67 77 82 85 81 74 70 66 63 67 70 69 66 Dewpt 65 65 63 62 62 62 62 62 61 61 60 58 58 60 61 61 62 62 61 58 RH 71 56 49 54 71 73 81 84 58 49 43 46 57 71 84 93 84 76 76 75 Wind Dir SW SW SW SW S SW SW SW SW SW SW S S SW SW S SW SW SW SW Wind Spd 8 10 10 5 5 5 5 5 12 14 13 10 10 10 10 11 13 11 11 8 Wind Gust 19 20 20 18 16 25 26 25 21 24 24 24 24 24 21 Clouds B2 SC B1 B1 SC SC B1 SC FW SC SC B1 B1 B2 OV OV OV OV B2 B2 PoP 12hr 20 5 10 50 100 QPF 12hr 0.01 0 0 0.28 1.23 Rain shwrs S S S C C D D D D C Tstms S S S S Date Mon 04/07/25 Tue 04/08/25 Wed 04/09/25 Thu 04/10/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 46 60 35 56 33 64 41 66 Temp 55 46 57 54 43 36 53 50 37 34 59 58 47 42 63 61 Dewpt 50 42 40 34 34 26 26 26 26 27 34 37 39 38 42 41 PWind Dir W NW NW N N S SW SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 SC FW SC FW FW CL FW FW SC SC SC SC SC PoP 12hr 40 10 5 5 0 0 10 20 Rain shwrs C S $$ TNZ099-042000- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 825 AM EDT Fri Apr 4 2025 Date Fri 04/04/25 Sat 04/05/25 Sun 04/06/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 67 87 65 73 Temp 76 83 86 82 74 72 68 68 77 85 87 82 75 72 68 65 69 72 71 68 Dewpt 67 65 64 64 64 63 63 62 63 62 60 60 61 62 63 63 63 64 62 60 RH 74 55 48 55 71 73 84 81 62 46 40 47 62 71 84 93 81 76 73 76 Wind Dir S S S S S S S S S S S S S S S S S S SW SW Wind Spd 9 12 11 6 5 4 5 5 11 14 14 10 10 10 11 12 12 11 10 6 Wind Gust 17 17 24 20 23 24 24 24 24 21 Clouds B2 B1 B1 SC SC SC SC SC SC FW SC SC B1 B2 B2 OV OV OV B2 B2 PoP 12hr 5 0 10 40 100 QPF 12hr 0 0 0 0.37 1.61 Rain shwrs C C D D D D C Tstms C C S Date Mon 04/07/25 Tue 04/08/25 Wed 04/09/25 Thu 04/10/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 50 61 40 60 37 67 44 70 Temp 58 50 59 57 46 40 57 54 41 38 63 62 50 45 67 65 Dewpt 53 46 43 37 37 33 29 30 30 30 37 41 41 41 44 43 PWind Dir W NW N N N S S SW Wind Char LT LT LT GN LT LT LT LT Avg Clouds B1 B2 B2 SC FW FW FW CL CL FW FW FW SC SC SC SC PoP 12hr 30 5 0 0 0 0 10 10 Rain shwrs C $$ NCZ060-042000- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 825 AM EDT Fri Apr 4 2025 Date Fri 04/04/25 Sat 04/05/25 Sun 04/06/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 63 84 61 73 Temp 74 81 82 78 70 67 64 63 74 81 83 78 70 68 65 62 67 71 69 67 Dewpt 63 61 60 60 61 61 61 60 60 59 57 55 56 58 58 58 60 59 58 56 RH 69 51 47 54 73 81 90 90 62 47 41 45 61 70 78 87 78 66 68 68 Min/Max RH 44 90 40 87 66 Wind Dir SW S S S SE SE SE SE S S S S S S S S S S S SW Wind Dir Deg 20 19 19 16 15 15 15 13 18 19 19 17 18 18 18 18 18 19 18 21 Wind Spd 6 9 8 5 4 4 3 4 9 11 11 6 6 6 8 8 10 9 6 5 Wind Gust 16 13 20 19 19 20 20 21 23 20 18 16 Clouds B1 B1 B1 SC SC SC SC SC SC SC SC SC SC B1 B2 B2 OV OV B2 B2 Clouds (%) 51 60 61 49 32 43 43 46 29 31 39 39 49 64 70 82 88 89 86 85 Vsby 10 10 10 10 10 10 10 10 10 10 10 PoP 12hr 10 5 20 30 100 QPF 12hr 0 0 0 0.04 1.50 Rain shwrs S S C C L L D D C Tstms S S S ChanceThunder 10 5 5 10 20 Max Mix Hgt AGL Mix Hgt 5300 6300 2900 Max Vent Rt 101600 151900 57500 T Wind Dir S S S T Wind Spd 17 19 16 ADI 88 132 50 Max LVORI 6 6 4 Stability C B G G C B E D C C Ceiling NONE NONE NONE NONE NONE 23500 NONE NONE NONE NONE Sta Pres 28.08 28.06 28.01 28.02 27.95 27.82 27.81 27.77 27.70 27.65 Date Mon 04/07/25 Tue 04/08/25 Wed 04/09/25 Thu 04/10/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 49 60 35 56 29 65 38 66 Temp 58 49 57 54 42 35 53 50 35 30 61 59 44 39 63 60 Dewpt 54 47 42 34 32 30 24 23 26 27 30 34 35 36 37 36 PWind Dir W NW NW N NE S SE SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B1 FW FW FW CL CL FW FW FW SC SC SC SC PoP 12hr 50 20 5 5 0 0 10 20 Rain shwrs C S S S Tstms S This is an experimental product for planning and review purposes only, and is not to be substituted for an official fire weather spot forecast $$